package com.example.demo.controller;

import org.junit.Test;

/**
 * @author 高俊
 * @create 2021-12-2021/12/5-17:12
 */
public class BaseTest {

    @Test
    public void tt(){
        String [] str ={"123","345","678"};
        String join = String.join("-", str);
        System.out.println(join);
    }
}
